Home / 13,707.86-20,569.98-12,592.49

Finding the Fourth Proportional to 13,707.86, 20,569.98 and 12,592.49

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Solution

The fourth proportional to 13,707.86, 20,569.98 and 12,592.49 is: 18,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.86 : 20,569.98 = 12,592.49 : x
  2. Step 2: Convert to fraction form
    13,707.86/20,569.98 = 12,592.49/x
  3. Step 3: Cross multiply
    13,707.86x = 20,569.98 × 12,592.49
  4. Step 4: Simplify right side
    13,707.86x = 259,027,211.82
  5. Step 5: Solve for x
    x = 259,027,211.82/13,707.86
  6. Step 6: Final answer
    x = 18,896.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.